Henrique de Moraes Holschuh <hmh@xxxxxxxxxx> writes: > IMHO, this is mightly annoying to use from inside a rngd-like utility in > a race-free, safe way. It looks to me that ioctl() would be a much > better interface for everything but the "enabled" functionality (which > should be reported to the rngd-like utility as open() on the real device > failing with, e.g., ENXIO, when that source is disabled). What information does an rngd-like program actually want? All I can think that it would need is the stream of random data. I guess some estimate of the entropy available would be nice, but surely it would want to verify that in any case. -- -keith
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